Home / 15,680,422.51-23,486,341.60-11,117,640.67

Finding the Fourth Proportional to 15,680,422.51, 23,486,341.60 and 11,117,640.67

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Solution

The fourth proportional to 15,680,422.51, 23,486,341.60 and 11,117,640.67 is: 16,652,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680,422.51 : 23,486,341.60 = 11,117,640.67 : x
  2. Step 2: Convert to fraction form
    15,680,422.51/23,486,341.60 = 11,117,640.67/x
  3. Step 3: Cross multiply
    15,680,422.51x = 23,486,341.60 × 11,117,640.67
  4. Step 4: Simplify right side
    15,680,422.51x = 261,112,706,561,672.88
  5. Step 5: Solve for x
    x = 261,112,706,561,672.88/15,680,422.51
  6. Step 6: Final answer
    x = 16,652,147.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.